How do I implement this module of hyperbolic geometry commands?

I am new to Sage. I'm trying to get around some very tedious hyperbolic geometry computations. I'm okay with defining functions and writing very basic things. I found this page indicating commands to compute a whole bunch of amazing things that I'd love to be able to use:
http://doc.sagemath.org/html/en/refer...

But if I type the commands listed, Sage does not recognize them. For example, if I try to do what they say to do on that page and type

HyperbolicPlane().UHP().get_geodesic(2,3)

I get an error message that 'HyperbolicPlane' is note defined. How do I implement whatever that person did to get Sage to do all those awesome things?

@kcrisman That is encouraging there might be a solution. I'm trying to figure out what version I have and how to upgrade it. I'm also new to using Linux and that's what I'm running Sage from.. trying to learn more though.